Sovtek 12ax7 LPS

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$20.19 to $34.00

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Page last updated Jun 13, 2026

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We compare 600+ stores and found this item at 2 stores. Prices updated March 19, 2026.

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$20.19

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4.7 (43)

$34.00

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Based on price data from 1 merchant for "Sovtek 12ax7 LPS". Prices shown reflect NEW condition. Tracking began Apr 25, 2026.

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Description

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Experience the essence of vintage warmth and modern reliability with the Sovtek 12ax7 LPS, a premium amplifier tube crafted to enhance your sound with remarkable clarity and detail. Whether you're a seasoned guitarist or an audio enthusiast, this tube is designed to elevate your musical experience. Renowned for its large plate structure, the Sovtek 12ax7 LPS delivers a sound that is both expansive and articulate, ensuring every note is rich and expressive.

Perfect for use in a variety of amplifiers, this Russian-made tube is praised for its linear performance, offering a balanced tonal output that is as consistent as it is captivating. Its robust construction ensures durability, making it a reliable choice for both stage and studio settings. The Sovtek 12ax7 LPS promises a seamless integration into your setup, providing the perfect blend of tradition and innovation for musicians who demand excellence.

Whether you're chasing the perfect clean tone or aiming for a gritty overdrive, the Sovtek 12ax7 LPS is versatile enough to meet your needs. It's more than just an amplifier tube—it's a gateway to the sound you've been dreaming of.

Key Features:

Large Plate SP 12AX7 for expansive sound
Very linear with large, detailed sound
Made in Russia for authentic craftsmanship
Suitable for a variety of amplifiers
Robust construction for reliability in performance settings

Product specs

Available since

April 2019

FAQs

What is the tonal characteristic of the Sovtek 12AX7 LPS tube?: The Sovtek 12AX7 LPS tube is known for its balanced and warm tone, making it ideal for both clean and overdriven sounds. Its long plate structure provides a rich harmonic content and smooth response, suitable for various musical styles.
Is the Sovtek 12AX7 LPS suitable for high-gain amplifiers?: Yes, the Sovtek 12AX7 LPS is well-suited for high-gain amplifiers due to its low noise and microphonics. It provides clarity and definition even at high distortion levels, making it a popular choice for rock and metal genres.
How does the Sovtek 12AX7 LPS compare to other 12AX7 tubes?: The Sovtek 12AX7 LPS is distinguished by its long plate design, which offers a fuller sound and enhanced dynamics compared to short plate versions. It is often favored for its reliability and consistency in tone across different amplifiers.
Can the Sovtek 12AX7 LPS be used in both preamp and driver stages?: Yes, the Sovtek 12AX7 LPS is versatile and can be used in both preamp and driver stages of an amplifier. Its robust construction and balanced tone make it a flexible choice for various amplifier configurations.
Is the Sovtek 12AX7 LPS compatible with vintage amplifiers?: The Sovtek 12AX7 LPS is compatible with most vintage amplifiers that require a 12AX7 tube. Its design offers a classic tube sound with modern reliability, making it a suitable replacement for original vintage tubes.

Videos

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Adam Steel

12AX7 - Do different preamp tubes make a sonic difference? From Behringer to Mullard

Adam Steel

Reviews

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PROS

Enhances reverb control, improving amp's tonal breakup
Delivers excellent rock/blues tones, enhancing guitar sound
Combines well with other popular tubes for deeper, crunchier sound
Exceptional performance as a phase shifter in specific amp models
Significantly opens up amplifier sound compared to other tubes
Known for high-quality output in phase inverter positions
Improves amp depth and bite, restoring classic tone

CONS

Not ideal for V1 and V2 positions in some amplifiers
Concerns about availability, prompting users to keep spares

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Sovtek 12ax7 LPS.

Features and functionality

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The Sovtek 12AX7LPS is noted for its reduced noise levels and dynamic sound, making it a popular choice for those seeking a quiet, responsive tube.
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Preamp tubes, including those in the 12AX7 family, are self-biasing, making them relatively easy to swap without adjustments.
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Comparisons

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JJ ECC83 tubes are considered more robust due to their short plate design, whereas Sovtek LPS tubes offer strong performance with their long plate configuration.
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The Sovtek 12AX7-LPS, Tung Sol, EHX, and Mullard Reissue 12AX7 tubes are all made by New Sensor and can be sensitive to high voltages.
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Sovtek 12AX7LPS tubes are favored for their quiet operation in phono stages, with noted positive use in Hagerman Coronet and Aesthetix units.
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Psvane ART series tubes are preferred over Genalex Gold Lions and Mullards, particularly for their openness and reduced warmth in similar circuits.
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User experience

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Users report that the Sovtek 12AX7LPS is a strong and reliable choice, particularly in the first stage (V1) where microphonics can be a concern.
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Users find Genalex Gold Lion tubes less warm than Mullard reissues but requiring higher amp settings for comparable loudness.
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Use cases and applications

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Sovtek 12AX7LPS tubes are commonly used in Fender Hot Rod Deville and Deluxe amps, providing a satisfactory sound for many players.
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The Sovtek 12AX7-LPS is recommended for use in V1 positions due to its brightness and gain but is not suited for cathode follower circuits like V2.
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The Sovtek 12AX7LPS is recommended as a strong candidate for phono stages, offering a quieter alternative to Mullard reissues.
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Mods and upgrades

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Switching to a 5751 preamp tube can reduce gain and allow for more sensitive volume control, altering the distortion point.
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Setup and maintenance

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Users experimenting with tube swaps should note the significant impedance differences between 12AX7 and 12AU7 tubes, which can affect circuit biasing.
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Critic Reviews

Review - Sovtek 12AX7-LPS - thetubestore Blog

thetubestore.com

The Sovtek 12AX7-LPS stands out with impressive sound quality, featuring a smooth and well-balanced tonal range. Its large ribbed plates contribute to excellent sound reproduction, making it a top choice for phase inverter positions. However, be cautious: these tubes can be prone to microphonics, particularly in high-powered combo amps, where vibrations can become problematic. Additionally, the filaments are designed to be less visible when in operation, which may confuse some users. Overall, while the LPS is a significant improvement over previous Sovtek models, it’s essential to consider your amp's setup before committing.

positive

Full Review

6th Street Bridge: A review of the Sovtek 12AX7LPS vacuum tube

6streetbridge.blogspot.com

While the Sovtek 12AX7 LPS delivers impressive treble detail and a flat frequency response, it ultimately falls short of expectations with a somewhat sterile and flat sound profile. Listeners noted that while it excels in clarity, it lacks the warmth and naturalness typically desired from vacuum tubes, often coming off as "dry" or "metallic." Its soundstaging and 3-D imaging also leave much to be desired. Although some found improvements after extended use, the consensus is that the Shuguang 12AX7B offers a more musical experience overall. If you're after precision over warmth, the LPS might fit the bill, but purists may want to look elsewhere.

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